文献类型： 外文期刊
作者： Chen, Yaru 1 ; Zhou, Jiawei 1 ; Wu, Shang 1 ; Wang, Lei 1 ; Chen, Gaogui 1 ; Chen, Dake 1 ; Peng, Xianwen 3 ; Miao, Yi-Liang 1 ; Mei, Shuqi 3 ; Li, Fenge 1 ;
作者机构： 1.Huazhong Agr Univ, Minist Agr & Rural Affairs, Minist Educ, Key Lab Swine Genet & Breeding, Wuhan 430070, Peoples R China
2.Huazhong Agr Univ, Key Lab Agr Anim Genet Breeding & Reprod, Minist Educ, Wuhan 430070, Peoples R China
3.Hubei Acad Agr Sci, Inst Anim Sci & Vet Med, Wuhan 430064, Peoples R China
4.Cooperat Innovat Ctr Sustainable Pig Prod, Wuhan 430070, Peoples R China
关键词： Interferon-stimulated gene 15; ISGylation; ADAMTS1; Ovulation; Female fertility; Mice
期刊名称：CELL AND BIOSCIENCE （ 影响因子：7.5； 五年影响因子：7.9 ）
ISSN：
年卷期： 2023 年 13 卷 1 期
页码：
收录情况： SCI
摘要： BackgroundISGylation is a post-translational protein modification that regulates many life activities, including immunomodulation, antiviral responses, and embryo implantation. The exact contribution of ISGylation to folliculogenesis remains largely undefined.ResultsHere, Isg15 knockout in mice causes hyperfertility along with sensitive ovarian responses to gonadotropin, such as increases in cumulus expansion and ovulation rate. Moreover, ISG15 represses the expression of ovulation-related genes in an ISGylation-dependent manner. Mechanistically, ISG15 binds to ADAMTS1 via the ISG15-conjugating system (UBA7, UBE2L6, and HERC6), ISGylating ADAMTS1 at the binding sites Lys309, Lys593, Lys597, and Lys602, resulting in ADAMTS1 degradation via a 20S proteasome-dependent pathway.ConclusionTaken together, the present study demonstrates that covalent ISG15 conjugation produces a novel regulatory axis of ISG15-ADAMTS1 that enhances the degradation of ADAMTS1, thereby compromising ovulation and female fertility.
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